Python 101 Can t open file No such file or directory

Question

here s a quick background  I am on day 1 of learning Python  No prior coding experience  Running Windows 8  Python 2 7 installed  location  C  Python27   I have added the path  C  Python27    to the environment variables and   py   to PATHEXT  I am able to launch Python   To learn  I m starting with the Google Developers course on Python  I ve  downloaded the google-python-exercises file to my desktop which has a file  hello py   The Google page https   developers google com edu python set-up  says I should be able to enter  python hello py  in the command prompt and it should print  Hello World    When I attempt this  I get the message  python  can t open file  hello py   Errno 2  No such file or directory  How can I fix this   Update  I m able to run it by running cmd from the folder  However  this seems to be a temporary solution  How do I program Python to take a new folder  C  Python27 MyProjects  and search it  It sounds like I need to add edit a directory  but I m not sure how to do this

User · Answer

Try uninstalling Python and then install it again  but this time make sure that the option Add Python to Path is marked as checked during the installation process

User · Answer

From your question  you are running python2 7 and Cygwin   Python should be installed for windows  which from your question it seems it is  If  which python  prints out  usr bin python   then from the bash prompt you are running the cygwin version    Set the Python Environmental variables appropriately   for instance in my case   PY HOME C  opt Python27 PYTHONPATH C  opt Python27 c  opt Python27 Lib   In that case run cygwin setup and uninstall everything python   After that run  which pydoc   if it shows   usr bin pydoc   Replace  usr bin pydoc with       bin bash   cygdrive c WINDOWS system32 cmd  c  PYTHONHOME  Scripts  pydoc bat   Then add this to  PY HOME Scripts pydoc bat  rem wrapper for pydoc on Win32  python c  opt Python27 Lib pydoc py      Now when you type in the cygwin bash prompt you should see     pydoc  pydoc - the Python documentation tool   pydoc py  lt name gt         Show text documentation on something    lt name gt      may be the name of a Python keyword  topic     function  module  or package  or a dotted    reference to a class or function within a    module or module in a package

User · Answer

I resolved this problem by navigating to C  Python27 Scripts folder and then run file py file instead of C  Python27 folder

User · Answer

Prior to running python  type cd in the commmand line  and it will tell you the directory you are currently in  When python runs  it can only access files in this directory  hello py needs to be in this directory  so you can move hello py from its existing location to this folder as you would move any other file in Windows or you can change directories and run python in the directory hello py is   Edit  Python cannot access the files in the subdirectory unless a path to it provided  You can access files in any directory by providing the path  python C  Python27 Projects hello p

[python] Python 101: Can't open file: No such file or directory

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